Interdental brush handle



FIG. 1 is a perspective view of an interdental brush handle showing my new design;

FIG. 2 is a first side view of the handle of FIG. 1;

FIG. 3 is a second side view of the handle of FIG. 1, rotated an angle of 90° with respect to FIG. 2, the opposite side view being a mirror image;

FIG. 4 is a third side view of the handle of FIG. 1, taken from the opposite side with respect to FIG. 2;

FIG. 5 is a first end view of the handle of FIG. 1; and,

FIG. 6 is a second end view of the handle of FIG. 1. 

The ornamental design for an interdental brush handle, as shown and described. 